Cheap And Discounts FNIRSI DSO-TC2 Digital Oscilloscope Transistor Tester 2.5MS/s Sampling Rate 200kHz Bandwidth Support Diode LCR Detect PWM Out Wholesale. Buy Directly From Merchant isfriday Specialty Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.